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Mobile Banking App Modernization
Project Overview
Challenge
A major North American bank needed to modernize its mobile banking app, which suffered from sluggish performance and inconsistent UX, outdated authentication mechanisms, low test coverage and frequent production bugs, and limited support for cross-platform feature parity. The goal was to deliver a secure, fast, and scalable mobile experience with full device support and strong governance.
Our Solution
We re-architected the app using a modern tech stack and DevOps best practices.
App Architecture Overhaul
Migrated to React Native for shared codebase across iOS and Android. Adopted Redux for predictable state management. Refactored components using TypeScript for better maintainability and type safety.
Security Enhancements
Implemented JWT-based authentication with token refresh workflows. Integrated biometric authentication using native modules. Improved API security through secure headers and encrypted storage.
Testing & Reliability
Achieved 98% test coverage using Jest and Detox. Built unit, integration, and end-to-end tests. Implemented CI/CD workflows for automated validation.
Performance Optimization
Reduced app load time with lazy loading and image caching. Minimized memory footprint and improved crash stability. Streamlined UX across flows like payments, fund transfers, and notifications.
Results
35% Faster App Load Time
Achieved significant improvement in app load time on both iOS and Android through performance optimization and modern architecture.
70% Fewer Production Bugs
98%+ test coverage led to dramatic reduction in production issues and improved app stability.
4.8★ App Store Rating
Achieved high user satisfaction with 4.8-star rating after re-launch through improved user experience and reliability.
Faster Feature Delivery Cycles
Enabled faster feature delivery cycles with modular code architecture and comprehensive CI/CD implementation.
What Our Client Says
Kooe helped us deliver the kind of banking experience our users expect in 2024 — fast, secure, and frictionless.